CN110823177A - Auxiliary ruler sleeve for inverted ruler leveling observation and using method - Google Patents
Auxiliary ruler sleeve for inverted ruler leveling observation and using method Download PDFInfo
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- CN110823177A CN110823177A CN201911275836.1A CN201911275836A CN110823177A CN 110823177 A CN110823177 A CN 110823177A CN 201911275836 A CN201911275836 A CN 201911275836A CN 110823177 A CN110823177 A CN 110823177A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000956 alloy Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 7
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention belongs to the technical field of leveling measurement, and particularly relates to an auxiliary ruler sleeve for inverted ruler leveling observation and a using method thereof. This supplementary chi cover includes fixed plate, link, ring, powerful magnet, baffle, screw, handle, double-layered chi board, cushion and spring, the link is installed to the fixed plate upside, link downside intermediate position is provided with the ring, fixed plate downside intermediate position embedding is provided with powerful magnet, fixed plate left and right sides symmetry is provided with the baffle, it is provided with the screw to wear the cover on arbitrary baffle, the screw outside end is provided with the handle, screw medial extremity is provided with double-layered chi board, the one end of double-layered chi board and levelling staff contact is provided with the cushion, the screw surface is provided with the spring. The invention provides an auxiliary ruler sleeve for inverted ruler leveling observation with low labor intensity and high observation precision of workers and a using method thereof.
Description
Technical Field
The invention belongs to the technical field of leveling measurement, and particularly relates to an auxiliary ruler sleeve for inverted ruler leveling observation and a using method thereof.
Background
In the building field, in the process of observing the settlement of a building or a structure, a construction site is generally complex and limited by various terrains and construction conditions, and sometimes the observation site is arranged at a higher position relative to the position of an instrument station, so that the observation is difficult to implement by adopting a conventional leveling measure.
The prior art solves the problems as follows:
the leveling staff is inverted to observe, the operation principle is the same as that of general leveling measurement, the leveling staff is inverted, the bottom of the staff is tightly attached to the lower portion of the observation point mark, the staff is in a free sagging state, and the leveling staff is guaranteed to be vertical.
However, the leveling staff is adopted for handstand, the problem of observation is solved, a staff supports the leveling staff only by two arms and a body, the operation is easy to fatigue, the stability and the verticality are difficult to guarantee, the probability of occurrence of measurement errors is increased to a certain extent, and the accuracy of measurement results is difficult to ensure.
Therefore, the auxiliary ruler sleeve for the inverted ruler leveling observation has low labor intensity and high observation precision, and is a problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention mainly aims to solve the problems in the prior art and provides an auxiliary ruler sleeve for inverted ruler leveling observation with low labor intensity and high observation precision of workers and a using method thereof.
The technical problem solved by the invention is realized by adopting the following technical scheme: the utility model provides an auxiliary ruler cover that chi level of falling was surveyd, includes fixed plate, link, ring, powerful magnet, baffle, screw, handle, presss from both sides chi board, cushion and spring, the link is installed to the fixed plate upside, link downside intermediate position is provided with the ring, fixed plate downside intermediate position embedding is provided with powerful magnet, fixed plate left and right sides symmetry is provided with the baffle, it is provided with the screw to wear the cover on arbitrary baffle, the screw outside end is provided with the handle, screw medial extremity is provided with presss from both sides the chi board, the one end that presss from both sides chi board and levelling staff contact is provided with the cushion, the screw surface is provided with the spring.
Further, the height of the circular ring is more than or equal to one half of the diameter of the circular ring and less than or equal to three quarters of the diameter of the circular ring.
Further, the shape of the ruler clamping plate is circular, the shape of the powerful magnet is circular, and the diameter of the powerful magnet is larger than or equal to one third of the width of the fixing plate and smaller than or equal to two thirds of the width of the fixing plate.
Further, the connecting frame is a door-shaped connecting frame.
Furthermore, the connecting frame, the fixing plate and the baffle are all made of hard alloy materials.
The use method of the auxiliary ruler sleeve for the inverted ruler leveling comprises the following steps:
s1, checking whether all the parts of the auxiliary scale sleeve are connected firmly, whether the lower side end face of the powerful magnet is on the same plane with the lower side end face of the fixed plate, and whether the handle rotates flexibly and reliably;
s2, sleeving the leveling staff between the baffles on the two sides of the fixing plate, enabling the top end face of the leveling staff to be tightly attached to the lower side end face of the powerful magnet and the lower side end face of the fixing plate, rotating the handle to extend the spring to enable the screw inner side end clamping plate to fasten the side face of the leveling staff, enabling a cushion on the clamping plate to be tightly attached to the side face of the leveling staff, and fixing the leveling staff;
and S3, sleeving the circular ring on the lower side of the connecting frame on the top end of the settlement observation point, enabling the top end of the settlement observation point and the lower side end face of the top of the connecting frame to be on the same plane, adding a correction constant K to the measured observation data, wherein the correction constant K is the height between the lower side end face of the top of the connecting frame and the lower side end face of the fixing plate.
The invention has the beneficial effects that:
1. when the position of the settlement observation point is higher than the level observation sight, the auxiliary ruler sleeve is sleeved with the leveling staff in an inverted manner, the middle ring of the end face of the lower side of the top of the connecting frame is sleeved on the settlement observation point, the leveling staff is inverted to meet the height reached by the level observation sight, and the problem that the observation point is higher in position and difficult to operate is solved.
2. Use this supplementary chi cover of falling chi surveyd of level to establishing the station and do not have any influence, the staff only need assist gently and stabilize the levelling staff, makes the measurement of levelling staff set up more reliable and more stable, and then greatly reduce staff's intensity of labour, has still improved level observation precision and work efficiency.
3. The intermediate position of fixed plate downside is provided with powerful magnet and the screw surface is provided with the spring, can guarantee the in close contact with of fixed plate downside terminal surface and levelling rod top surface, has still guaranteed the reliable and stable nature between fixed plate and the levelling rod. The screw medial extremity sets up and presss from both sides the chi board, presss from both sides the chi board and is provided with the cushion with levelling staff contact end, and twist grip extension spring makes screw medial extremity press from both sides the chi board and fastens the levelling staff side, has guaranteed firm stability between levelling staff and baffle, the clamp chi board to improve the level and observe the precision.
Drawings
Fig. 1 is a schematic structural view of an auxiliary ruler sleeve for inverted ruler leveling observation according to the present invention.
Fig. 2 is another angle structure diagram of the auxiliary ruler sleeve for inverted ruler leveling according to the present invention.
Fig. 3 is a schematic view of an assembly structure of an auxiliary scale case and a leveling staff for inverted scale leveling according to the present invention.
Fig. 4 is a schematic diagram of the auxiliary ruler sleeve nesting settlement observation point for inverted ruler leveling observation according to the invention.
FIG. 5 is a schematic view of the auxiliary scale case for leveling using an inverted scale according to the present invention.
In the figure:
1. fixed plate 2, connecting frame 3 and ring
4. Strong magnet 5, baffle 6, screw
7. Handle 8, clip ruler board 9, soft pad
10. Spring 11, leveling staff 12, settlement observation point
13. Building wall 14, level gauge 15 and ground
16. Sight line of level
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic structural view of an auxiliary ruler sleeve for inverted ruler leveling observation according to the present invention.
Fig. 2 is another angle structure diagram of the auxiliary ruler sleeve for inverted ruler leveling according to the present invention.
Fig. 3 is a schematic view of an assembly structure of an auxiliary scale case and a leveling staff for inverted scale leveling according to the present invention.
Fig. 4 is a schematic diagram of the auxiliary ruler sleeve nesting settlement observation point for inverted ruler leveling observation according to the invention.
FIG. 5 is a schematic view of the auxiliary scale case for leveling using an inverted scale according to the present invention.
As shown in fig. 1 to 5, the auxiliary ruler sleeve for inverted ruler leveling provided by the invention comprises a fixing plate 1, a connecting frame 2, a ring 3, a strong magnet 4, baffles 5, screws 6, a handle 7, ruler clamping plates 8, a cushion 9 and a spring 10, wherein the connecting frame 2 is installed on the upper side of the fixing plate 1, the ring 3 is arranged at the middle position of the lower side of the connecting frame 2, the strong magnet 4 is embedded in the middle position of the lower side of the fixing plate 1, the baffles 5 are symmetrically arranged on the left side and the right side of the fixing plate 1, the screw 6 penetrates through any one of the baffles 5, the handle 7 is arranged at the outer side end of the screw 6, the ruler clamping plate 8 is arranged at the inner side end of the screw 6, the cushion 9 is arranged at one end of the ruler clamping plate 8.
The height of the circular ring 3 is more than or equal to one half of the diameter of the circular ring 3 and less than or equal to three quarters of the diameter of the circular ring 3. Wherein, ring 3 welds on link 2, and ring 3 internal diameter size should be greater than 12 diameter size 5mm of settlement observation point. The limitation of the inner diameter size and the height of the circular ring 3 not only ensures the stability of the settlement observation point 12 sleeved on the circular ring 3, prevents the auxiliary ruler sleeve from inclining, but also saves the material cost as much as possible.
The shape of the tape clamping plate 8 is circular, the shape of the strong magnet 4 is circular, and the diameter of the strong magnet 4 is more than or equal to one third of the width of the fixing plate 1 and less than or equal to two thirds of the width of the fixing plate 1. Wherein, thereby the circular shape presss from both sides chi board 8 and makes area of contact big guarantee fastening stability, thereby circular shape powerful magnet 4 makes area of contact big guarantee adsorption stability, and the restriction of the diameter of powerful magnet 4 both can guarantee powerful magnet 4 adsorption affinity moreover, material saving cost as far as again.
The connecting frame 2 is a door-shaped connecting frame. Wherein, door shape link 2 makes this supplementary chi cover straightness similar with the verticality of levelling staff 11 better and, improves the level and observes the precision.
The connecting frame 2, the fixing plate 1 and the baffle 5 are made of hard alloy materials. The connecting frame 2, the fixing plate 1 and the baffle 5 are all made of the same hard alloy materials with small expansion coefficients, and the influence of material expansion on the measurement precision does not need to be considered. The hard alloy material has high hardness, wear resistance, and good strength and toughness, and ensures that the fixed plate 1 and the baffle 5 have high flatness.
When the rotary handle 7 clamps the leveling staff 11, the spring 10 arranged on the outer surface of the screw 6 can enhance the fixing force between the clamping ruler plate 8 and the baffle 5, and the soft cushion 9 is arranged at one end of the clamping ruler plate 8 contacting with the leveling staff 11, so that the firmness of the leveling staff 11 can be enhanced.
As shown in fig. 3, the leveling staff 11 is sleeved between the baffles 5 on two sides of the fixing plate 1, the top end surface of the leveling staff 11 is tightly attached to the lower side end surface of the strong magnet 4 and the lower side end surface of the fixing plate 1, the adsorption stability of the top of the leveling staff 11 is good through the strong magnet 4, the screw 6 is screwed up for fine adjustment by extending the spring 10 through the rotating handle 7, the side surface of the leveling staff 11 is fastened by the clamping board 8 at the inner side end of the screw 6, the side surface of the leveling staff 11 is fastened by the soft pad 9 on the clamping board 8 through the rotating handle 7, the leveling staff 11 is fixed in position, the other side surface of the leveling staff 11 is tightly attached to the corresponding baffle 5.
As shown in fig. 4, the ring 3 of the auxiliary ruler sleeve is hung on the settlement observation point 12, and the top surface of the settlement observation point 12 is sleeved in the ring 3 and tightly combined with the lower side end surface of the top of the connecting frame 2, so that the auxiliary ruler sleeve is prevented from sliding off the settlement observation point 12, and not only the operation safety is ensured, but also the stable and reliable observation precision is ensured.
As shown in fig. 5, the leveling staff 11 equipped with the auxiliary staff sleeve is hung on the settlement observation point 12 of the building wall 13 through the ring 3, the leveling instrument 14 is placed on the ground 15, the staff reads the observation data on the leveling staff 11 along the leveling instrument sight line 16 through the leveling instrument 14, the read observation data needs to be added with a correction constant K, the correction constant K is the height between the lower side end face of the top of the connecting frame 2 and the lower side end face of the fixing plate 1, because the top end of the settlement observation point 12 and the lower side end face of the top of the connecting frame 2 are on the same plane, and the top end face of the leveling staff 11 and the lower side end face of the fixing plate 1 are on the same plane, namely, the top end of the settlement observation point 12 and the top end face of the leveling staff 11.
The use method of the auxiliary ruler sleeve for the inverted ruler leveling observation comprises the following steps:
s1, checking whether all parts of the auxiliary ruler sleeve are connected firmly, whether the lower side end face of the powerful magnet 4 and the lower side end face of the fixed plate 1 are on the same plane, and whether the handle 7 rotates flexibly and reliably;
s2, sleeving the leveling staff 11 between the baffles 5 on the two sides of the fixing plate 1, enabling the top end face of the leveling staff 11 to be tightly attached to the lower side end face of the powerful magnet 4 and the lower side end face of the fixing plate 1, rotating the handle 7 to extend the spring 10 to enable the ruler clamping plate 8 on the inner side end of the screw 6 to fasten the side face of the leveling staff 11, enabling the soft cushion 9 on the ruler clamping plate 8 to be tightly attached to the side face of the leveling staff 11, and fixing the leveling staff 11;
s3, the ring 3 at the lower side of the connecting frame 2 is sleeved on the top end of the settlement observation point 12, so that the top end of the settlement observation point 12 and the lower side end face of the top of the connecting frame 2 are on the same plane, and the measured observation data is added with a correction constant K, wherein the correction constant K is the height between the lower side end face of the top of the connecting frame 2 and the lower side end face of the fixing plate 1.
The top end of the settlement observation point 12 and the lower side end face of the top of the connecting frame 2 are on the same plane, and the top end face of the leveling staff 11 and the lower side end face of the fixing plate 1 are on the same plane, that is, the top end of the settlement observation point 12 and the top end face of the leveling staff 11 are not on the same plane, so that a correction constant K is required to be added to the measured observation data, and the correction constant K is the height between the lower side end face of the top of the connecting frame 2 and the lower side end face of the fixing plate 1, therefore, after the auxiliary ruler sleeve for inverted ruler leveling observation is manufactured, the auxiliary ruler sleeve needs to be tested repeatedly, the correction constant K is measured, the observation result is corrected, and correct observation.
The correction constant K is determined as follows:
taking a fixed rear-view direction (front ruler), selecting an observation point with proper height, reading for 4 times respectively by using the front ruler for front view and basic and auxiliary divisions, and taking an average value as a read-back reading of the observation point.
And secondly, using the auxiliary ruler sleeve for the level observation of the inverted ruler to look ahead, reading for 4 times respectively by the basic and auxiliary divisions, and taking the average value as the measured reading of the observation point.
And step three, calculating the difference of the elevation difference observed values of the same observation point according to the measured reading back values of the two vertical scales, wherein the difference is the correction constant K.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides an auxiliary ruler cover of falling chi surveyor's level which characterized in that: including fixed plate, link, ring, powerful magnet, baffle, screw, handle, clamp chi board, cushion and spring, the link is installed to the fixed plate upside, link downside intermediate position is provided with the ring, fixed plate downside intermediate position embedding is provided with powerful magnet, fixed plate left and right sides symmetry is provided with the baffle, it is provided with the screw to wear the cover on arbitrary baffle, screw outside end is provided with the handle, screw medial extremity is provided with and presss from both sides the chi board, it is provided with the cushion with the one end of levelling staff contact to press from both sides the chi board, the screw surface is provided with the spring.
2. The auxiliary blade case for inverted ruler leveling according to claim 1, wherein: the height of the circular ring is more than or equal to one half of the diameter of the circular ring and less than or equal to three quarters of the diameter of the circular ring.
3. The auxiliary blade case for inverted ruler leveling according to claim 1, wherein: the shape of the ruler clamping plate is circular, the shape of the powerful magnet is circular, and the diameter of the powerful magnet is larger than or equal to one third of the width of the fixing plate and smaller than or equal to two thirds of the width of the fixing plate.
4. The auxiliary blade case for inverted ruler leveling according to claim 1, wherein: the connecting frame is a door-shaped connecting frame.
5. The auxiliary blade case for inverted ruler leveling according to claim 1, wherein: the connecting frame, the fixing plate and the baffle are all made of hard alloy materials.
6. The method of using the auxiliary blade case for inverted ruler leveling as claimed in claim 1, wherein: the method comprises the following steps:
s1, checking whether all the parts of the auxiliary scale sleeve are connected firmly, whether the lower side end face of the powerful magnet is on the same plane with the lower side end face of the fixed plate, and whether the handle rotates flexibly and reliably;
s2, sleeving the leveling staff between the baffles on the two sides of the fixing plate, enabling the top end face of the leveling staff to be tightly attached to the lower side end face of the powerful magnet and the lower side end face of the fixing plate, rotating the handle to extend the spring to enable the screw inner side end clamping plate to fasten the side face of the leveling staff, enabling a cushion on the clamping plate to be tightly attached to the side face of the leveling staff, and fixing the leveling staff;
and S3, sleeving the circular ring on the lower side of the connecting frame on the top end of the settlement observation point, enabling the top end of the settlement observation point and the lower side end face of the top of the connecting frame to be on the same plane, adding a correction constant K to the measured observation data, wherein the correction constant K is the height between the lower side end face of the top of the connecting frame and the lower side end face of the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911275836.1A CN110823177A (en) | 2019-12-12 | 2019-12-12 | Auxiliary ruler sleeve for inverted ruler leveling observation and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911275836.1A CN110823177A (en) | 2019-12-12 | 2019-12-12 | Auxiliary ruler sleeve for inverted ruler leveling observation and using method |
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| CN110823177A true CN110823177A (en) | 2020-02-21 |
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| CN201911275836.1A Pending CN110823177A (en) | 2019-12-12 | 2019-12-12 | Auxiliary ruler sleeve for inverted ruler leveling observation and using method |
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| CN (1) | CN110823177A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593717A (en) * | 2022-02-24 | 2022-06-07 | 青建国际集团有限公司 | Wall-attached type building level detection ruler with fixed angle measurement function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203274732U (en) * | 2013-05-15 | 2013-11-06 | 中铁大桥勘测设计院集团有限公司 | Inverted ruler installation device |
| CN203772295U (en) * | 2014-04-08 | 2014-08-13 | 洛阳市规划建筑设计研究院有限公司 | Inverted ruler frame capable of adjusting observation position of leveling staff |
| CN210981231U (en) * | 2019-12-12 | 2020-07-10 | 洛阳市规划建筑设计研究院有限公司 | Auxiliary ruler sleeve for inverted ruler leveling observation |
-
2019
- 2019-12-12 CN CN201911275836.1A patent/CN110823177A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203274732U (en) * | 2013-05-15 | 2013-11-06 | 中铁大桥勘测设计院集团有限公司 | Inverted ruler installation device |
| CN203772295U (en) * | 2014-04-08 | 2014-08-13 | 洛阳市规划建筑设计研究院有限公司 | Inverted ruler frame capable of adjusting observation position of leveling staff |
| CN210981231U (en) * | 2019-12-12 | 2020-07-10 | 洛阳市规划建筑设计研究院有限公司 | Auxiliary ruler sleeve for inverted ruler leveling observation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593717A (en) * | 2022-02-24 | 2022-06-07 | 青建国际集团有限公司 | Wall-attached type building level detection ruler with fixed angle measurement function |
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